bookfell vs paperhanging

bookfell

noun
  • A skin prepared for writing upon; a sheet of vellum or parchment; paper. 

  • A vellum or parchment manuscript. 

paperhanging

noun
  • Wallpaper. 

  • The illegal activities of a paperhanger; counterfeiting fraud. 

  • The trade of hanging wallpaper on walls. 

How often have the words bookfell and paperhanging occurred in a corpus of books? (source: Google Ngram Viewer )